21270295732

素因数分解:

$2^2\times 7^4\times {\mathrm{31}}^1\times {\mathrm{71443}}^1$

素因数の和:71506

約数の個数: 60

約数和(自身を含む): 44825680256

約数和(自身を除く): 23555384524

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 434, 686, 868, 1372, 1519, 2401, 3038, 4802, 6076, 9604, 10633, 21266, 42532, 71443, 74431, 142886, 148862, 285772, 297724, 500101, 1000202, 2000404, 2214733, 3500707, 4429466, 7001414, 8858932, 14002828, 15503131, 24504949, 31006262, 49009898, 62012524, 98019796, 108521917, 171534643, 217043834, 343069286, 434087668, 686138572, 759653419, 1519306838, 3038613676, 5317573933, 10635147866, 21270295732]

約数ペア:

[(1, 21270295732), (2, 10635147866), (4, 5317573933), (7, 3038613676), (14, 1519306838), (28, 759653419), (31, 686138572), (49, 434087668), (62, 343069286), (98, 217043834), (124, 171534643), (196, 108521917), (217, 98019796), (343, 62012524), (434, 49009898), (686, 31006262), (868, 24504949), (1372, 15503131), (1519, 14002828), (2401, 8858932), (3038, 7001414), (4802, 4429466), (6076, 3500707), (9604, 2214733), (10633, 2000404), (21266, 1000202), (42532, 500101), (71443, 297724), (74431, 285772), (142886, 148862)]